The Smith and Wesson Black Ops Assisted Open Knife is part of Smith & Wesson's M.A.G.I.C. assisted opening knife line. Just a small nudge of the flipper opens the knife. The blade is 3.3 inches and is 7.7 inches open. The 4043 stainless steel blade has a 40% serrated drop point The action on this knife is great and it locks up tight via liner lock. The aluminum scales have grooves and a light texture.